L-ribulose-5-phosphate 3-epimerase
In enzymology, a L-ribulose-5-phosphate 3-epimerase (EC 5.1.3.22) is an enzyme that catalyzes the chemical reaction
- L-ribulose 5-phosphate L-xylulose 5-phosphate
| L-ribulose-5-phosphate 3-epimerase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 5.1.3.22 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
Hence, this enzyme has one substrate, L-ribulose 5-phosphate, and one product, L-xylulose 5-phosphate.
This enzyme belongs to the family of isomerases, specifically those racemases and epimerases acting on carbohydrates and derivatives. The systematic name of this enzyme class is L-ribulose-5-phosphate 3-epimerase. Other names in common use include L-xylulose 5-phosphate 3-epimerase, UlaE, and SgaU. This enzyme participates in ascorbate and aldarate metabolism.
References
- Yew WS, Gerlt JA (2002). "Utilization of L-ascorbate by Escherichia coli K-12: assignments of functions to products of the yjf-sga and yia-sgb operons". J. Bacteriol. 184 (1): 302–6. doi:10.1128/JB.184.1.302-306.2002. PMC 134747. PMID 11741871.
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